Yaskawa Σ-V Series AC Servo Drives Rotational Motor Analog Voltage Reference - Manual (Page 78)

4.6 Test Without Motor Function
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4.6.2 Motor Position and Speed Responses
For the test without a motor, the following responses are simulated for references from the host controller
according to the gain settings for position or speed control.
• Servomotor position
• Servomotor speed
However, the load model will be a rigid system with the moment of inertia ratio that is set in Pn103.